12010121111222 has 32 divisors (see below), whose sum is σ = 19515111114240. Its totient is φ = 5510557025280.

The previous prime is 12010121111221. The next prime is 12010121111231. The reversal of 12010121111222 is 22211112101021.

It is a self number, because there is not a number n which added to its sum of digits gives 12010121111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010121111221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6933554 + ... + 8490842.

It is an arithmetic number, because the mean of its divisors is an integer number (609847222320).

Almost surely, 2^{12010121111222} is an apocalyptic number.

12010121111222 is a deficient number, since it is larger than the sum of its proper divisors (7504990003018).

12010121111222 is a wasteful number, since it uses less digits than its factorization.

12010121111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559048.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12010121111222 its reverse (22211112101021), we get a palindrome (34221233212243).

The spelling of 12010121111222 in words is "twelve trillion, ten billion, one hundred twenty-one million, one hundred eleven thousand, two hundred twenty-two".